Finding the Fourth Proportional to 59,979, 89,962.05 and 31,869.27

Step by Step Solution

1. Step 1: Write the proportion equation
   59,979 : 89,962.05 = 31,869.27 : x
2. Step 2: Convert to fraction form
   59,979/89,962.05 = 31,869.27/x
3. Step 3: Cross multiply
   59,979x = 89,962.05 × 31,869.27
4. Step 4: Simplify right side
   59,979x = 2,867,024,861.20
5. Step 5: Solve for x
   x = 2,867,024,861.20/59,979
6. Step 6: Final answer
   x = 47,800.48